GB1237315A - A method of, and an apparatus for, producing a gas mixture - Google Patents

A method of, and an apparatus for, producing a gas mixture

Info

Publication number
GB1237315A
GB1237315A GB30451/69A GB3045169A GB1237315A GB 1237315 A GB1237315 A GB 1237315A GB 30451/69 A GB30451/69 A GB 30451/69A GB 3045169 A GB3045169 A GB 3045169A GB 1237315 A GB1237315 A GB 1237315A
Authority
GB
United Kingdom
Prior art keywords
chambers
pressure
rocker bar
valve
drager
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB30451/69A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE19681757801 external-priority patent/DE1757801C3/de
Application filed by Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Publication of GB1237315A publication Critical patent/GB1237315A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A61M16/12—Preparation of respiratory gases or vapours by mixing different gases
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/80—Forming a predetermined ratio of the substances to be mixed
    • B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
    • B01F35/882—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using measuring chambers, e.g. volumetric pumps, for feeding the substances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2514—Self-proportioning flow systems
    • Y10T137/2521—Flow comparison or differential response
    • Y10T137/2524—Flow dividers [e.g., reversely acting controls]

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Chemical & Material Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accessories For Mixers (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
GB30451/69A 1968-06-15 1969-06-16 A method of, and an apparatus for, producing a gas mixture Expired GB1237315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681757801 DE1757801C3 (de) 1968-06-15 Gerät zum selbsttätigen kontinuierlichen Mischen zweier Druckgase im vorbestimmten Mischungsverhältnis

Publications (1)

Publication Number Publication Date
GB1237315A true GB1237315A (en) 1971-06-30

Family

ID=5694701

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30451/69A Expired GB1237315A (en) 1968-06-15 1969-06-16 A method of, and an apparatus for, producing a gas mixture

Country Status (6)

Country Link
US (1) US3605785A (da)
DK (1) DK126025B (da)
FR (1) FR2019284A1 (da)
GB (1) GB1237315A (da)
NL (1) NL159595B (da)
SE (1) SE349670B (da)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1933266B2 (de) * 1969-07-01 1973-09-20 Draegerwerk Ag, 2400 Luebeck Verfahren zum Mischen von Druck gasen insbesondere für Atmungs und medizinische Gerate
US3727627A (en) * 1970-07-15 1973-04-17 H Pohndorf Apparatus for mixing gases
US3664361A (en) * 1970-08-24 1972-05-23 Puritan Bennett Corp Respiration system
SE344721B (da) * 1970-10-15 1972-05-02 Aga Ab
FR2142628B1 (da) * 1971-06-22 1973-05-25 Minerve Sa
US3739799A (en) * 1971-09-07 1973-06-19 Fraser Sweatman Continuous flow anesthesia apparatus
US3895642A (en) * 1972-12-20 1975-07-22 Bird Corp Method and apparatus for mixing gases
GB1601336A (en) * 1977-03-08 1981-10-28 Bendix Westinghouse Ltd Fluid control means
SE7802089L (sv) * 1978-02-23 1979-08-24 Aga Ab Anordning for blandning av medier, sasom gaser eller vetskor
FR2497689A1 (fr) * 1981-01-14 1982-07-16 Lambiotte Cie Sa Dispositif melangeur de gaz
US4587967A (en) * 1985-07-09 1986-05-13 Lifecare Services, Inc. Oxygen enriched reciprocating piston respirator
SE9403473L (sv) * 1994-10-13 1995-12-18 Loflo Ab Aggregat för tillförsel av en gasblandning i noggrannt reglerade proportioner till andningsvägarna hos patienter
JP3945519B2 (ja) * 2004-06-21 2007-07-18 東京エレクトロン株式会社 被処理体の熱処理装置、熱処理方法及び記憶媒体
US8393323B2 (en) 2008-09-30 2013-03-12 Covidien Lp Supplemental gas safety system for a breathing assistance system
US8424523B2 (en) * 2009-12-03 2013-04-23 Covidien Lp Ventilator respiratory gas accumulator with purge valve
EP4132616A1 (en) 2020-04-10 2023-02-15 Covidien LP Gas mixing system for medical ventilator
US11872349B2 (en) 2020-04-10 2024-01-16 Covidien Lp Systems and methods for increasing ventilator oxygen concentration

Also Published As

Publication number Publication date
NL6908948A (da) 1969-12-17
US3605785A (en) 1971-09-20
SE349670B (da) 1972-10-02
DE1757801B2 (de) 1975-08-21
FR2019284A1 (da) 1970-07-03
DK126025B (da) 1973-06-04
DE1757801A1 (de) 1972-03-23
NL159595B (nl) 1979-03-15

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